Fatal error: Uncaught Error: Call to undefined function json_decode() in /srv/www/htdocs/coronarchiv/projector/vendor/doctrine/dbal/lib/Doctrine/DBAL/Types/JsonArrayType.php:28 Stack trace: #0 /srv/www/htdocs/coronarchiv/projector/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(1515): Doctrine\DBAL\Types\JsonArrayType->convertToPHPValue('"thorsten.logge...', Object(Doctrine\DBAL\Platforms\MySqlPlatform)) #1 /srv/www/htdocs/coronarchiv/projector/application/src/Settings/AbstractSettings.php(157): Doctrine\DBAL\Connection->convertToPHPValue('"thorsten.logge...', 'json_array') #2 /srv/www/htdocs/coronarchiv/projector/application/src/Settings/AbstractSettings.php(149): Omeka\Settings\AbstractSettings->setCache() #3 /srv/www/htdocs/coronarchiv/projector/application/src/Settings/AbstractSettings.php(95): Omeka\Settings\AbstractSettings->cache() #4 /srv/www/htdocs/coronarchiv/projector/application/src/Mvc/MvcListeners.php(94): Omeka\Settings\AbstractSettings->get('version') #5 /srv/www/htdocs/coronarchiv/projector/vendor/l in /srv/www/htdocs/coronarchiv/projector/vendor/doctrine/dbal/lib/Doctrine/DBAL/Types/JsonArrayType.php on line 28